/* bzflag
 * Copyright (c) 1993-2020 Tim Riker
 *
 * This package is free software;  you can redistribute it and/or
 * modify it under the terms of the license found in the file
 * named COPYING that should have accompanied this file.
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#include "common.h"

/* interface header */
#include "CustomTextureMatrix.h"

/* system implementation headers */
#include <math.h>
#include <string.h>

/* common implementation headers */
#include "TextureMatrix.h"


CustomTextureMatrix::CustomTextureMatrix()
{
    texmat = new TextureMatrix;
    return;
}


CustomTextureMatrix::~CustomTextureMatrix()
{
    delete texmat;
    return;
}


bool CustomTextureMatrix::read(const char *cmd, std::istream& input)
{
    if (strcasecmp ("fixedshift", cmd) == 0)
    {
        float u, v;
        if (!(input >> u >> v))
            return false;
        texmat->setStaticShift (u, v);
    }
    else if (strcasecmp ("fixedscale", cmd) == 0)
    {
        float u, v;
        if (!(input >> u >> v))
            return false;
        texmat->setStaticScale (u, v);
    }
    else if (strcasecmp ("fixedspin", cmd) == 0)
    {
        float angle;
        if (!(input >> angle))
            return false;
        texmat->setStaticSpin (angle);
    }
    else if (strcasecmp ("fixedcenter", cmd) == 0)
    {
        float u, v;
        if (!(input >> u >> v))
            return false;
        texmat->setStaticCenter (u, v);
    }
    else if (strcasecmp ("shift", cmd) == 0)
    {
        float uFreq, vFreq;
        if (!(input >> uFreq >> vFreq))
            return false;
        texmat->setDynamicShift (uFreq, vFreq);
    }
    else if (strcasecmp ("spin", cmd) == 0)
    {
        float freq;
        if (!(input >> freq))
            return false;
        texmat->setDynamicSpin (freq);
    }
    else if (strcasecmp ("scale", cmd) == 0)
    {
        float uFreq, vFreq, uScale, vScale;
        if (!(input >> uFreq >> vFreq >> uScale >> vScale))
            return false;
        texmat->setDynamicScale (uFreq, vFreq, uScale, vScale);
    }
    else if (strcasecmp ("center", cmd) == 0)
    {
        float u, v;
        if (!(input >> u >> v))
            return false;
        texmat->setDynamicCenter (u, v);
    }
    else
    {
        // NOTE: we don't use a WorldFileObstacle
        return WorldFileObject::read(cmd, input);
    }

    return true;
}


void CustomTextureMatrix::writeToManager() const
{
    texmat->setName(name);
    if ((name.size() > 0) && (TEXMATRIXMGR.findMatrix(name) >= 0))
    {
        std::cout << "warning: duplicate texture matrix"
                  << " (" << name << ")" << std::endl;
    }
    texmat->finalize();
    TEXMATRIXMGR.addMatrix (texmat);
    texmat = NULL;
    return;
}


// Local variables: ***
// mode: C++ ***
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// ex: shiftwidth=4 tabstop=4
